Ratnesh Das is a Professor in the Department of Chemistry, at Dr. Harisingh Gour Central University, Sagar, India. He has a rich experience in teaching and research for about 21 years during which he has supervised many Ph.D. students and completed many sponsored research projects. His active research areas include Heterocyclic synthesis, electrochemistry, synthesis of nano-catalysts, and green chemistry. He has authored about 80 research papers in peer-reviewed national and international journals and refereed conferences organized by professional societies worldwide. Megha Das is working as an Assistant Professor in Department of Education, at Dr. Harisingh Gour Central University Sagar (M.P). She has completed her UGC Women's Postdoctoral Research with a fellowship from UGC, New Delhi. She has published many research papers and articles in National and International journals and published many chapters in different books related to Education and science. Lambert Academic Publishing, Germany, has published her doctoral thesis. She has participated and presented several papers at National and International Seminars/Conferences.